Nexus 5 along with Android 4.4 KitKat coming on October 14th?

The new Android OS from Google i.e Android 4.4 which will be called KitKat unlike its predecessors with typical dessert naming, is rumored to be released on October 14 along with Nexus 5. This new OS is expected to be pre installed in Nexus 5. While we have had the specs of Nexus 5 through FCC leaks, the changes that will fall in Android 4.4 KitKat are suspected to be:

Firmware availability to older phones

Fragmentation changes (screen resizing)

Mira cast updates

New Gallery Visualization

New APIs regarding animations

Change android default blue to other preset palette colors

New notification widgets.

There is still no news about Android 5.0 but seems like there will be no major changes in upgrading Android 4.4.the previous Android OS version could be seen in Nexus S.

A teaser of Android KitKat says:

It’s our goal with Android KitKat to make an amazing Android experience available for everybody.